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Finding the Fourth Proportional to 81,867.84, 122,806.08 and 26,468.16

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Solution

The fourth proportional to 81,867.84, 122,806.08 and 26,468.16 is: 39,703.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,867.84 : 122,806.08 = 26,468.16 : x
  2. Step 2: Convert to fraction form
    81,867.84/122,806.08 = 26,468.16/x
  3. Step 3: Cross multiply
    81,867.84x = 122,806.08 × 26,468.16
  4. Step 4: Simplify right side
    81,867.84x = 3,250,450,974.41
  5. Step 5: Solve for x
    x = 3,250,450,974.41/81,867.84
  6. Step 6: Final answer
    x = 39,703.64

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